使用 Entrust 扩展包在 Laravel 5 中实现 RBAC 权限管理（二）：使用篇

$owner = new Role();$owner->name = 'owner';$owner->display_name = 'Project Owner';$owner->description = 'User is the owner of a given project';$owner->save();$admin = new Role();$admin->name = 'admin';$admin->display_name = 'User Administrator';$admin->description = 'User is allowed to manage and edit other users';$admin->save();

$user = User::where('username', '=', 'michele')->first();//调用hasRole提供的attachRole方法$user->attachRole($admin); // 参数可以是Role对象，数组或id// 或者也可以使用Eloquent原生的方法$user->roles()->attach($admin->id); //只需传递id即可

$createPost = new Permission();$createPost->name = 'create-post';$createPost->display_name = 'Create Posts';$createPost->description = 'create new blog posts';$createPost->save();$editUser = new Permission();$editUser->name = 'edit-user';$editUser->display_name = 'Edit Users';$editUser->description = 'edit existing users';$editUser->save();$admin->attachPermission($createPost);//等价于 $admin->perms()->sync(array($createPost->id));$owner->attachPermissions(array($createPost, $editUser));//等价于 $owner->perms()->sync(array($createPost->id, $editUser->id));

$user->hasRole('owner'); // false$user->hasRole('admin'); // true$user->can('edit-user'); // false$user->can('create-post'); // true

$user->hasRole(['owner', 'admin']); // true$user->can(['edit-user', 'create-post']); // true

$user->hasRole(['owner', 'admin']); // true$user->hasRole(['owner', 'admin'], true); // false$user->can(['edit-user', 'create-post']); // true$user->can(['edit-user', 'create-post'], true); // false

Entrust::hasRole('role-name');Entrust::can('permission-name');

// match any admin permission$user->can("admin.*"); // true// match any permission about users$user->can("*_users"); // true

$user->ability(array('admin', 'owner'), array('create-post', 'edit-user'));// 或者$user->ability('admin,owner', 'create-post,edit-user');

$options = array(    'validate_all' => true | false (Default: false),    'return_type' => boolean | array | both (Default: boolean));

$options = array(    'validate_all' => true,    'return_type' => 'both');list($validate, $allValidations) = $user->ability(    array('admin', 'owner'),    array('create-post', 'edit-user'),    $options);var_dump($validate);// bool(false)var_dump($allValidations);// array(4) {//     ['role'] => bool(true)//     ['role_2'] => bool(false)//     ['create-post'] => bool(true)//     ['edit-user'] => bool(false)// }

Entrust::ability('admin,owner', 'create-post,edit-user');// 等价于Auth::user()->ability('admin,owner', 'create-post,edit-user');

@role('admin')    <p>This is visible to users with the admin role. Gets translated to    \Entrust::role('admin')</p>@endrole@permission('manage-admins')    <p>This is visible to users with the given permissions. Gets translated to    \Entrust::can('manage-admins'). The @can directive is already taken by core    laravel authorization package, hence the @permission directive instead.</p>@endpermission@ability('admin,owner', 'create-post,edit-user')    <p>This is visible to users with the given abilities. Gets translated to    \Entrust::ability('admin,owner', 'create-post,edit-user')</p>@endability

Route::group(['prefix' => 'admin', 'middleware' => ['role:admin']], function() {    Route::get('/', 'AdminController@welcome');    Route::get('/manage', [        'middleware' => ['permission:manage-admins'],         'uses' => 'AdminController@manageAdmins'    ]);});

'middleware' => ['role:admin|root']'middleware' => ['permission:owner', 'permission:writer']

'middleware' => ['ability:admin|owner,create-post|edit-user,true']

// 只有拥有'create-post'权限对应角色的用户才能访问admin/post*Entrust::routeNeedsPermission('admin/post*', 'create-post');// 只有所有者才能访问admin/advanced*Entrust::routeNeedsRole('admin/advanced*', 'owner');// 第二个参数可以是数组，这样用户必须满足所有条件才能访问对应路由Entrust::routeNeedsPermission('admin/post*', array('create-post', 'edit-comment'));Entrust::routeNeedsRole('admin/advanced*', array('owner','writer'));

Entrust::routeNeedsRole('admin/advanced*', 'owner', Redirect::to('/home'));

// 如果用户拥有'create-post'、'edit-comment'其中之一或者两个权限都具备则可以访问Entrust::routeNeedsPermission('admin/post*', array('create-post', 'edit-comment'), null, false);// 如果用户是所有者、作者或者都具备则可以访问Entrust::routeNeedsRole('admin/advanced*', array('owner','writer'), null, false);Entrust::routeNeedsRoleOrPermission(    'admin/advanced*',    array('owner', 'writer'),    array('create-post', 'edit-comment'),    null,    false);

Route::filter('manage_posts', function(){    // check the current user    if (!Entrust::can('create-post')) {        return Redirect::to('admin');    }});// 只有用户对应角色拥有 'manage_posts' 权限才能访问任意 admin/post 路由Route::when('admin/post*', 'manage_posts');

Route::filter('owner_role', function(){    // check the current user    if (!Entrust::hasRole('Owner')) {        App::abort(403);    }});// 只有所有者才能访问 admin/advanced* 路由Route::when('admin/advanced*', 'owner_role');